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The grey area indicates the deck of the boat. A dorade box (also called a dorade vent , collector box , cowl vent , or simply a "ventilator") is a type of vent that permits the passage of air in and out of the cabin or engine room of a boat while keeping rain, spray, and sea wash out.
Scupper: 8. hole (with grille cover), 9. pipe, 10. outlet. There are two main kinds of scuppers: Ships have scuppers at deck level, to allow for ocean or rainwater drain-off. [1] Buildings with railed rooftops may have scuppers to let rainwater drain instead of pooling within the railing. Scuppers can also be placed in a parapet, for the same ...
A limber hole is a drain hole through a frame or other structural member of a boat designed to prevent water from accumulating against one side of the frame, and allowing it to drain toward the bilge. Limber holes are common in the bilges of wooden boats. The term may be extended to cover drain holes in floors. Limber holes are created in ...
Water that does not drain off the side of the deck or through a hole in the hull, which it would typically do via a scupper, instead drains down into the ship into the bilge. This water may be from rough seas, rain, leaks in the hull or stuffing box, or other interior spillage. The collected water must be pumped out to prevent the bilge from ...
The bottom is flat in a river junk with no keel (similar to a sampan), so that the boat relies on a daggerboard, [16] leeboard or very large rudder to prevent the boat from slipping sideways in the water. [17] The internal bulkheads are characteristic of junks, providing interior compartments and strengthening the ship.
The TSHD Sospan Dau is a Dutch trailing suction hopper dredger [1] owned by Sosban BV.The vessel has worked on dredging projects, including offshore aggregates, port maintenance, [2] land reclamation, coastal defense and beach replenishment.
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